import subprocess
process = subprocess.Popen(["python", "k.py"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, bufsize=1, universal_newlines=True)
while True:
output = process.stdout.readline()
if output == '' and process.poll() is not None:
break
if output:
print(output.strip())
if process.returncode != 0:
print("Error:", process.stderr.read())